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IT江湖swift客户端源码,有一个重要线程更新问题

非常感谢作者贡献开源源码,整体写的非常不错,但是在测试过程中发现IT江湖swift客户端源码,有一个重要线程更新问题。
以:HomeViewController.swift 文件的下拉刷新为例,其他都是一样的道理:
// MARK: 下拉刷新数据
func loadNewData(){
UIApplication.sharedApplication().networkActivityIndicatorVisible = true
// 1.添加假数据
self.PAGE_NUM = 0
loadData(self.PAGE_NUM, size: SHOW_NUM, from:"header")

//
// 问题代码就在下面的异步更新里面,其实想法是2秒后 tablereload,但是你要知道,经常情况下是2秒数据还没有处理,也就出现了,2秒后tablereload,没有数据的情况,目前我看官方在苹果上架的app上也出现这个情况。
//

    // 2.模拟2秒后刷新表格UI(真实开发中,可以移除这段gcd代码)
    let delayInSeconds:Int64 = 1000000000 * 2
   var popTime:dispatch_time_t = dispatch_time(DISPATCH_TIME_NOW,delayInSeconds)
   dispatch_after(popTime, dispatch_get_main_queue(), {
       NSLog("异步刷新成功")
       self.atableView.reloadData()

       // 拿到当前的下拉刷新控件,结束刷新状态
        self.atableView.header.endRefreshing()
        self.atableView.footer.hidden = false

       //结束网络活动指示器。
       UIApplication.sharedApplication().networkActivityIndicatorVisible = false
    });
}

解决方法也很简单,把代码放到 loadData 的 Alamofire.request 的请求里面:
func loadData(offset:Int, size:Int ,from:String){

    //接口url
    var articleUrl = url + "page=\(offset)"
    NSLog("上拉文章url地址:%@", articleUrl)

    // 请求数据
    Alamofire.request(.GET, articleUrl).responseJSON { (_, response, JSON_DATA, error) -> Void in

        if JSON_DATA == nil{
            SCLAlertView().showWarning("温馨提示", subTitle:"您的网络在开小差,赶紧制服它,精彩的文章在等你.", closeButtonTitle:"去制服")
            UIApplication.sharedApplication().networkActivityIndicatorVisible = false

            return
        }else{
            if self.PAGE_NUM == 0{
                if !self.currentArticleData.isEmpty{
                    self.currentArticleData.removeAll(keepCapacity: false)
                }

            }
            let data = JSON(JSON_DATA!)
            let articlesArray = data["content"].arrayValue
            if articlesArray.count > 0{
                NSLog("请求成功哦")
                for currentArticle in articlesArray{
                    let article = Article()
                    article.aid = currentArticle["aid"].int!
                    article.title = currentArticle["title"].string!
                    article.date = currentArticle["date"].string!
                    article.img = currentArticle["img"].string!
                    article.author_id = currentArticle["author_id"].int!
                    article.author = currentArticle["author"].string!
                    self.currentArticleData.append(article)
                }

                //线程更新,by jincon。
                dispatch_async(dispatch_get_main_queue()) {
                    self.atableView.reloadData()
                    if from == "header" {
                        // 拿到当前的下拉刷新控件,结束刷新状态
                        self.atableView.header.endRefreshing()
                        self.atableView.footer.hidden = false
                    }else{
                        self.atableView.footer.endRefreshing();
                    }
                    self.atableView.footer.endRefreshing();
                    UIApplication.sharedApplication().networkActivityIndicatorVisible = false
                }
                //end

            }else{
                self.atableView.footer.noticeNoMoreData()
            }
        }
    }
}

//by jincon

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